Middleby Marshall 60254 manual

OWNER'S OPERATING AND INSTALLATION MANUAL for domestic and standard export ovens ©2012 Middleby Marshall Inc. is a registered trademark of Middleby Marshall, Inc. All rights reserved. Middleby Cooking Systems Group • 1400 Toastmaster Drive • Elgin, IL 60120 • (847)741-3300 • FAX (847)741-4406 PS740 Series Electric Ovens P/N 60254 Sept[...]

II P/N60254September28,2012 WARNING FOR YOUR SAFETY, DO NOT STORE OR USE GASOLINE OR OTHER FLAMMABLE VAPORS AND LIQUIDS IN THE VICINITY OF THIS OR ANY OTHER APPLIANCE. WARNING Improper installation, adjustment, alteration, service, or maintenance can cause property damage, injury, or death. Read the installation, operation, and maint[...]

III P/N60254September28,2012 MIDDLEBY MARSHALL INC. OVEN LIMITED WARRANTY (Non U.S.A.) The Seller warrants equipment manufactured by it to be free from defects in material and workmanship for which it is responsible. The Seller’s obligation under this warranty shall be limited to replacing or repairing, at Seller’s option, withou[...]

IV P/N60254September28,2012 NOTE Wiring Diagrams are in Section 6 of this Manual. The diagram for each oven is also on the lower inner surface of its Control Console. Page SECTION 1 – DESCRIPTION ............................................ 1 I. OVEN USES ............................................................. 1 II. OVEN COMP[...]

1 P/N60254September28,2012 I. OVEN USES PS740 Series Ovens can be used to bake and/or cook a wide variety of food products, such as pizza, pizza –type products, cookies, sandwiches and others. II. OVEN COMPONENTS – see Figure 1-1. A. Conveyor Drive Motor: Moves the conveyor. B. Crumb Pans: Catch crumbs and other materials that dr[...]

2 P/N60254September28,2012 NOTE Wiring Diagrams are contained in Section 6 of this Manual and are also located inside the oven at the bottom of the Control Panel This Manual Must Be Kept For Future Reference I. OVEN SPECIFICATIONS Table 1-1 Dimensions Single Oven Double Oven Triple Oven Overall Height 48-3/16 ″ (1219mm) 62-3/4 ″ [...]

3 P/N60254September28,2012 WARNING - Keep the appliance area free and clear of combustibles. WARNING – The oven must be installed on an even (level) non-ammable ooring and any adjacent walls must be non-ammable. Recommended minimum clearances are specied in the Description section of this manual. WARNING – Do not obst[...]

4 P/N60254September28,2012 PARTS LIST FOR SERIES PS740 ELECTRIC OVEN INSTALLATION KIT P/N 61453 (Two required for double oven) (Three required for triple oven) ITEM NO. QTY PART NO. DESCRIPTION 1 1 61823 CONVEYOR END STOP 2 1 31461 CONVEYOR LEFT REAR STOP 3 1 42612 SERVICE AGENCY DIRECTORY 4 1 22500-0080 LABEL, MM 5 1 51054 ASSY, HAN[...]

5 P/N60254September28,2012 PS740 OVEN INSTALLATION REQUIRED KITS AND EQUIPMENT PS740 PS740 PS740 PS740 Electric Oven Single Oven DoubleOven TripleOven Installation Option Base w/ OptionBase w/ OptionBase w/ TYPE OF INSTALLATION Kit 15 ″ Legs, 6 ″ Legs, Casters& Top Casters & Top Casters & Top Kit Kit Kit P/N61824 P/N6[...]

6 P/N60254September28,2012 Figure 2-2A. Model PS740 24 ″ Single Oven Option Base with Legs and Top PARTS LIST FOR PS740 SERIES 24 ″ SINGLE OVEN OPTION - BASE w/15 ″ LEGS & TOP P/N 67027 HARD W ARE BAG 5, 6, 7, 10 & 1 1 1 2 4 9 8 ITEM NO. QTY PART NO. DESCRIPTION 1 1 64943 COMPLETE BASE WELDMENT 2 4 66851 TOP PLATE, LEG [...]

7 P/N60254September28,2012 Figure 2-2B. Model PS740 32 ″ Single Oven Option Base with Legs and Top PARTS LIST FOR PS740 32 ″ SERIES SINGLE OVEN OPTION - BASE w/15 ″ LEGS & TOP P/N 67025 HARD W ARE BAG 5, 6, 7, 10 & 1 1 1 2 4 9 8 ITEM NO. QTY PART NO. DESCRIPTION 1 1 66159 COMPLETE BASE WELDMENT 2 4 66851 TOP PLATE, LEG [...]

8 P/N60254September28,2012 ITEM NO. QTY PART NO. DESCRIPTION 1 1 64943 COMPLETE BASE WELDMENT 2 4 66853 TOP PLATE, LEG WELDMENT 4 4 58930 SWIVEL CASTER FLAT PLATE 5 32 2000531 3/8 ″ -16 × 1 HEX SCREW, SST 6 32 21416-0001 3/8 ″ FLAT WASHER, SS 7 32 21422-0001 3/8 ″ SPLIT LOCK WASHER, ZP 8 1 22450-0228 RESTRAINT CABLE ASSEMBLY 9[...]

9 P/N60254September28,2012 ITEM NO. QTY PART NO. DESCRIPTION 1 1 66159 COMPLETE BASE WELDMENT 2 4 66853 TOP PLATE, LEG WELDMENT 4 4 58930 SWIVEL CASTER FLAT PLATE 5 32 2000531 3/8 ″ -16 × 1 HEX SCREW, SST 6 32 21416-0001 3/8 ″ FLAT WASHER, SS 7 32 21422-0001 3/8 ″ SPLIT LOCK WASHER, ZP 8 1 22450-0228 RESTRAINT CABLE ASSEMBLY 9[...]

10 P/N60254September28,2012 ITEM NO. QTY PART NO. DESCRIPTION 1 1 64943 COMPLETE BASE WELDMENT 2 4 45209 QUAD OUTRIGGER WELDMENT 3 2 22290-0010 SWIVEL CASTER, FLAT PLATE 4 2 22290-0009 SWIVEL CASTER, FLAT PLATE, W/BRAKE 5 4 45206 INSERT,QUAD ADJUSTMENT FOOT 6 4 45205 SPACER,QUAD CASTER 7 32 A27727 3/83 -16x1-1/4 HEX BOLT 8 32 A21924 [...]

11 P/N60254September28,2012 ITEM NO. QTY PART NO. DESCRIPTION 1 1 66159 COMPLETE BASE WELDMENT 2 4 45209 QUAD OUTRIGGER WELDMENT 3 2 22290-0010 SWIVEL CASTER, FLAT PLATE 4 2 22290-0009 SWIVEL CASTER, FLAT PLATE, W/BRAKE 5 4 45206 INSERT,QUAD ADJUSTMENT FOOT 6 4 45205 SPACER,QUAD CASTER 7 32 A27727 3/83 -16x1-1/4 HEX BOLT 8 32 A21924 [...]

12 P/N60254September28,2012 III. VENTILATION SYSTEM NOTE THAT THE HOOD DIMENSIONS SHOWN IN FIGURE 2-5 ARE RECOMMENDATIONS ONLY . LOCAL, NATIONAL AND INTERNATIONAL CODES MUST BE FOLLOWED WHEN INSTALLING THE VENTILATION SYSTEM. ANY APPLICABLE CODES SUPERSEDE THE RECOMMENDATIONS SHOWN IN THIS MANUAL. The rate of air ow exhausted thro[...]

13 P/N60254September28,2012 IV. ASSEMBLY A. Top Panel and Base Pad Assembly 1. Install the four leg extensions onto the base pad using the 3/8 ″ -16 × 1 ″ screws, 3/8 ″ flat washers, and 3/8 ″ lockwashers supplied in the Base Pad Kit. See Figure 2-6. Check that the nished sides of each leg exten- sion face OUTWARDS. One r[...]

14 P/N60254September28,2012 NOTE: DO NOT install top panel onto double or triple ovens until AFTER stacking the oven cavities. See Part B, Stacking. B. Stacking For single ovens, skip ahead to Part C, Restraint Cable Installation. IMPORTANT Middleby Marshall STRONGLY RECOMMENDS that PS740 Electric oven cavities be stacked BY AUTHORIZ[...]

15 P/N60254September28,2012 D. Conveyor Installation 1. Unfold the conveyor as shown in Figure 2-12. Then, begin to slide the conveyor into the end of the oven. The conveyor can only be installed from the end of the oven with the drive motor. 2. Continue moving the conveyor into the oven until the frame protrudes equally from each en[...]

16 P/N60254September28,2012 5. If it is necessary to add or remove conveyor links to achieve the correct tension, OR if it is necessary to reverse the conveyor belt for correct orientation, the belt will need to be removed from the conveyor frame. If this is necessary, perform the following procedure: • Remove the conveyor assembly[...]

17 P/N60254September28,2012 III. ELECTRICAL CONNECTION INFORMATION FOR PS740E-SERIES OVENS. WARNING Authorized supplier personnel normally accomplish the connections for the ventilation system, electric supply, as arranged by the customer. Following these connections, the factory-authorized installer can perform the initial startup o[...]

18 P/N60254September28,2012 UTILITY ROUGH-IN DIMENSIONS AND POSITIONING FOR PS740-SERIES OVENS Figure 2-19. Typical PS740-Series Oven(s) Installation T o O v en T o O v en WARNING DO NOT USE CONDUIT FOR GROUND CONNECTION. CAUTION IT IS RECOMMENDED THAT THE OVEN BE PLACED UNDER A VENTILATION HOOD FOR ADEQUATE AIR SUPPLY AND VENTILATIO[...]

19 P/N60254September28,2012 SECTION 3 - OPERA TION I. LOCATION AND DESCRIPTION OF CONTROLS A. Main On/Off Button Turns all oven functions on or off. If the oven is below the set point, it will rise to the set point and turn the conveyor on. If it is turned off and the oven is above 200° F, the blowers will remain on until the oven d[...]

20 P/N60254September28,2012 II. NORMAL OPERATION - STEP-BY-STEP- A. Daily Startup Procedure 1. Check that the circuit breaker/fused disconnect is in the On position. Check that the window is closed. The touch panel display should be lit. 2. Adjust the conveyor to the desired bake time. 3. Press the temperature button to display right[...]

21 P/N60254September28,2012 III. QUICK REFERENCE: TROUBLESHOOTING SYMPTOM PROBLEM SOLUTION Noelectricalpower • Checkthatthecircuitbreaker/fuseddisconnectison.Make suretheemergenctstopbuttonison. Oven will not turn On. Faulty contactor Faulty heater element • Replace contactor.[...]

22 P/N60254September28,2012 Vents on front panel of oven Fan grills (3) on rear of oven and control compartment Vent (2) on rear of machinery compartment SECTION 4 - MAINTENANCE WARNING Possibility of injury from moving parts and electrical shock exists in this oven. Switch off and lockout/tagout the electric supply BEFORE beginning [...]

23 P/N60254September28,2012 II. MAINTENANCE – MONTHLY NOTE: When removing the conveyor, refer to Figure 2-12 (in Section 2, Installation ). A. Check that the oven is cool and the power is disconnected, as described in the warning at the beginning of this Sec - tion. B. Remove the crumb trays from the oven. C. Lift the drive end of [...]

24 P/N60254September28,2012 III. MAINTENANCE – EVERY 3 MONTHS A. Check that the oven is cool and the power is disconnected, as described in the warning at the beginning of this Section. B. Vacuum both of the blower mounts, and their surrounding compartments, using a shop vacuum. C. Tighten all electrical terminal screws. D. Split B[...]

25 P/N60254September28,2012 Figure 4-6. Disassembling the drive shaft E. Blower Belt 1. Remove the eight screws shown in Figure 4-7. Then, remove the rear panel from the oven. 2. Check the blower belt for the proper 1/4 ″ (6mm) deection at the center, and for cracking or excessive wear. See Figure 4-7. Overtightening the belt wi[...]

26 P/N60254September28,2012 V. KEY SPARE PARTS – Available separately. See Figure 4-8. Figure 4-8. Key Spare Parts ITEM QTY . P/N DESCRIPTION  1 1 60190 DIGITAL DISPLAY, PROGRAMMED 2 1 58920 CONVEYOR DRIVE MOTOR W/PICKUP ASSY. 3 1 58679 CONVEYOR SPEED CONTROLER 4 1 60196 KIT, THERMOCOUPLE 6 ″ 5 1 59668 BELT, BLOWER 6 1 57288 M[...]

27 P/N60254September28,2012 SECTION 5 TROUBLESHOOTING PROBLEM: PRODUCTS ARE OVERCOOKED OR UNDERCOOKED Check for correct setting of conveyor speed control. Set the conveyor speed control at correct setting. Check for correct setting on tempera - ture controller. Turn temperature control to correct setting. If products still cook incor[...]

28 P/N60254September28,2012 SECTION 6 - WIRING DIAGRAM Middleby-Marshall Model Number E208-240 Volt 50/60 Hz, 3 Phase 60739 Rev. J[...]

29 P/N60254September28,2012 Middleby-Marshall Model Number E380-480 Volt 50/60 Hz, 3 Phase 60741 Rev. L[...]

30 P/N60254September28,2012 NOTES[...]

31 P/N60254September28,2012 NOTES[...]

P/N60254September28,2012 Middleby Cooking Systems Group • 1400 Toastmaster Drive • Elgin, IL 60120 • USA • (847)741-3300 • FAX (847)741-4406 www.middleby.com Middleby is proud to support the Commercial Food Equipment Service Association (CFESA). We recognize and applaud CFESA's ongoing efforts to improve the quality of[...]